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16 Managing Undo
16 Managing Undo 从Oracle11g开始,在默认安装中oracle会自动管理undo, 典型安装中不需要DBA介入配置,然而,如果选择了flash back特性,你就需要进行一些undo管理任务,来保证flashback特性的成功执行。 本章包含如下内容: 什么是undo 自动un ...
分类:其他好文   时间:2018-07-04 13:23:00    阅读次数:196
Filesystem: managing
Linux block devices can be partitioned into several partitions, max to several tens or hundreds primary partitions. (According to MBR or GPT) In order ...
分类:其他好文   时间:2018-05-27 14:47:57    阅读次数:155
RH413 Unit 2 Managing Software Updates
GPGPackageSignatureVerificationInthe/etc/yum.confinthe[main]section:gpgcheck=1,yumrequiresavalidGPGsignatureonpackagesbeinginstalledwithyum.gpgkey=parameter,whichisthelocationofwheretheGPGpublickeyisl
分类:其他好文   时间:2018-04-08 11:29:09    阅读次数:166
Aamazon Web Service EC2 Ubuntu 新建用户而且用ssh连接host
本文參照 http://docs.aws.amazon.com/zh_cn/AWSEC2/latest/UserGuide/managing-users.html http://docs.aws.amazon.com/zh_cn/AWSEC2/latest/UserGuide/ec2-key-pai ...
分类:Web程序   时间:2018-01-20 16:24:09    阅读次数:193
linux中service的问题
1.描述问题 2.解决方案 Then, install the iptables-services package: Enable the service at boot-time: Managing the service Saving your firewall rules can be don ...
分类:系统相关   时间:2018-01-10 20:19:09    阅读次数:197
(Les16 Managing Data in Different Time Zones)[20171230]
学习目标: -current_date 当前时间 TZ_OFFSET -current_timestamp 含小数秒当前时间 FROM_TZ -localtimestamp 含小数秒本地时间 TO_TIMESTAMP -dbtimezone 数据库时区 TO_TIMSTAMP_TZ -session ...
分类:其他好文   时间:2017-12-31 03:08:53    阅读次数:127
OCP-047(Les13 Managing Schema Objects)[20171220]
目的: 增加约束 创建索引 使用CREATE TABLE语句创建索引 创建函数索引 删除列和将列置为UNUSED 平台FLASHBACK闪回操作 创建临时表 创建和使用外部表 ALTER TABLE语句 -增加列 -修改已存在的列 -定义列的默认值 -删除列 语法 ALTER TABLE table ...
分类:其他好文   时间:2017-12-21 17:12:13    阅读次数:160
PMM 监控MySQL
Percona Monitoring and Management也就是percona公司的数据库监控和管理的开源工具。Percona Monitoring and Management (PMM) is a free and open-source platform for managing and monitoring MySQL? and MongoDB? performance. You
分类:数据库   时间:2017-12-09 14:57:40    阅读次数:307
052-81
You are managing an Oracle Database 11g database with this backup strategy:- Every Sunday night, level 0 backup is performed.- On Monday night and sub ...
分类:其他好文   时间:2017-12-08 16:34:01    阅读次数:176
052-78
You are managing an Oracle Database 11g database. The database is open, and you plan to performRecovery Manager (RMAN) backups. Which three statements ...
分类:其他好文   时间:2017-12-08 16:24:36    阅读次数:169
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